（1．Nanchang University School of Information Engineering & Gannan Teachers College，School of Mathematics and Computer Science，Ganzhou 341000，Jiangxi； 2．Gannan Teachers College，Modern Education Technology Center，Ganzhou 341000，Jiangxi）
Abstract： With the development of modern information technology，Internet sharing and availablity as well as their interconnection is increasingly expanding．New Internet such as commercial digital currency and Internet banking are in a rapid rise due to the Internet’s popularity，and then the computer network security become more and more important．This article summarizes some research and gives some recommendation of the network information security．
2010, Vol. 1 
